here in washington, president obama observed the moment of silence as well behind closed doors away from the cameras, wolf. >> it was a powerful moment for all of us here in boston, lisa. i'm sure around the country as well. thank you. for the first time since the boston bombings, the city has control now over boylston street. they're not far way from where i am right now. the site of the attack. the fbi made the handover less than two hours ago and there was a ceremony to mark the moment. watch this. [ bagpipes play ]